package it.tcm.TeacherClassMate.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.ServletException;
import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.FilterChain;
 
import java.io.IOException;
 
public class CharacterEncodingFilter implements Filter 
{    
	
	private FilterConfig fc;    
	
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException 
	{        
		
		HttpServletRequest request = (HttpServletRequest) req;        
		HttpServletResponse response = (HttpServletResponse) res;     
		
		response.setContentType("text/html; charset=UTF-8");        
		request.setCharacterEncoding("UTF8");        
		
		chain.doFilter(request, response);        //do it again, since JSPs will set it to the default        
		
		response.setContentType("text/html; charset=UTF-8");        
		request.setCharacterEncoding("UTF8");  
		
	}        
	
	public void init(FilterConfig filterConfig) 
	{        
		
		this.fc = filterConfig;    
	}        
	
	public void destroy() 
	{        
		
		this.fc = null;    
	}
}